<!DOCTYPE html>
<!--
     Any copyright is dedicated to the Public Domain.
     http://creativecommons.org/publicdomain/zero/1.0/
-->
<!--
    Reference case, with testcase's dynamic tweak already performed.
-->
<html>
  <head>
    <style>
      div#outer { margin-left: 40px }

      div#flexContainer {
        width: 100px;
        height: 50px;
        background: lightgray;
        display: flex;
        justify-content: center;
      }

      div#flexItem {
        border: 1px solid black;
        height: 200%;
        background: purple;
      }
    </style>
  </head>
  <body>
    <div id="outer">
      <div id="flexContainer">
        <div id="flexItem">item</div>
      </div>
    </div>
  </body>
</html>
